GB1161112A - Improvements in or relating to Pulse-Width Modulators - Google Patents

Improvements in or relating to Pulse-Width Modulators

Info

Publication number
GB1161112A
GB1161112A GB25099/65A GB2509965A GB1161112A GB 1161112 A GB1161112 A GB 1161112A GB 25099/65 A GB25099/65 A GB 25099/65A GB 2509965 A GB2509965 A GB 2509965A GB 1161112 A GB1161112 A GB 1161112A
Authority
GB
United Kingdom
Prior art keywords
input
amplifier
magnitude
integral
proportional
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB25099/65A
Other languages
English (en)
Inventor
Lionel Raymond Frank Thompson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hawker Siddeley Dynamics Ltd
Original Assignee
Hawker Siddeley Dynamics Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hawker Siddeley Dynamics Ltd filed Critical Hawker Siddeley Dynamics Ltd
Priority to GB25099/65A priority Critical patent/GB1161112A/en
Priority to CH849866A priority patent/CH446436A/de
Priority to DE19661462640 priority patent/DE1462640A1/de
Priority to ES0327891A priority patent/ES327891A1/es
Priority to FR65363A priority patent/FR1500856A/fr
Priority to US557440A priority patent/US3441877A/en
Priority to NL6608241A priority patent/NL6608241A/xx
Publication of GB1161112A publication Critical patent/GB1161112A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
    • G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers
    • G06G7/16—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division
    • G06G7/161—Arrangements for performing computing operations, e.g. operational amplifiers for multiplication or division with pulse modulation, e.g. modulation of amplitude, width, frequency, phase or form
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K7/00—Modulating pulses with a continuously-variable modulating signal
    • H03K7/08—Duration or width modulation ; Duty cycle modulation

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Software Systems (AREA)
  • Power Engineering (AREA)
  • Amplifiers (AREA)
  • Relay Circuits (AREA)
  • Magnetic Bearings And Hydrostatic Bearings (AREA)
  • Electrotherapy Devices (AREA)
  • Electronic Switches (AREA)
  • Feedback Control In General (AREA)
  • Control Of Direct Current Motors (AREA)
GB25099/65A 1965-06-14 1965-06-14 Improvements in or relating to Pulse-Width Modulators Expired GB1161112A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB25099/65A GB1161112A (en) 1965-06-14 1965-06-14 Improvements in or relating to Pulse-Width Modulators
CH849866A CH446436A (de) 1965-06-14 1966-06-13 Schaltungsanordnung mit einem Impulsbreitenmodulator
DE19661462640 DE1462640A1 (de) 1965-06-14 1966-06-13 Impulsbreitenmodulator
ES0327891A ES327891A1 (es) 1965-06-14 1966-06-14 Perfeccionamientos en la construccion de moduladores de longitud de impulso.
FR65363A FR1500856A (fr) 1965-06-14 1966-06-14 Perfectionnements aux modulateurs par impulsions
US557440A US3441877A (en) 1965-06-14 1966-06-14 Pulse-width modulators
NL6608241A NL6608241A (enExample) 1965-06-14 1966-06-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25099/65A GB1161112A (en) 1965-06-14 1965-06-14 Improvements in or relating to Pulse-Width Modulators

Publications (1)

Publication Number Publication Date
GB1161112A true GB1161112A (en) 1969-08-13

Family

ID=10222199

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25099/65A Expired GB1161112A (en) 1965-06-14 1965-06-14 Improvements in or relating to Pulse-Width Modulators

Country Status (7)

Country Link
US (1) US3441877A (enExample)
CH (1) CH446436A (enExample)
DE (1) DE1462640A1 (enExample)
ES (1) ES327891A1 (enExample)
FR (1) FR1500856A (enExample)
GB (1) GB1161112A (enExample)
NL (1) NL6608241A (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3543166A (en) * 1968-07-16 1970-11-24 Chandler Evans Inc Duty cycle module
US3568077A (en) * 1968-09-03 1971-03-02 Northrop Corp Pseudo voltage controlled oscillator
US3638101A (en) * 1970-06-24 1972-01-25 Hercules Inc Current or voltage-to-frequency converter using negative feedback
US3697891A (en) * 1970-12-31 1972-10-10 J D Wrather Jr Bidirectional waveform generator with switchable input
US3835419A (en) * 1973-04-18 1974-09-10 Us Navy Current switching frequency modulator
CH641299A5 (de) * 1978-11-13 1984-02-15 Landis & Gyr Ag Impulsdauer-pausendauer-modulator fuer messzwecke.
JPS58182919A (ja) * 1982-04-21 1983-10-26 Nippon Soken Inc Ａ−ｄ変換器
JPS63290046A (ja) * 1987-05-21 1988-11-28 Pioneer Electronic Corp パルス幅ひずみ補正回路
US4843339A (en) * 1987-10-28 1989-06-27 Burr-Brown Corporation Isolation amplifier including precision voltage-to-duty-cycle converter and low ripple, high bandwidth charge balance demodulator
US5457435A (en) * 1994-03-25 1995-10-10 Caterpillar Inc. Pulse width modulated driver

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2913675A (en) * 1957-08-06 1959-11-17 Litton Ind Of California Pulse width modulator
US3112365A (en) * 1959-10-08 1963-11-26 Sony Corp Signal amplifying device
US3359498A (en) * 1964-05-28 1967-12-19 Bell Telephone Labor Inc Variable width pulse generator
US3384838A (en) * 1965-03-19 1968-05-21 Sylvania Electric Prod Phase reversible switching power amplifier

Also Published As

Publication number Publication date
ES327891A1 (es) 1967-04-01
NL6608241A (enExample) 1966-12-15
DE1462640A1 (de) 1969-01-23
FR1500856A (fr) 1967-11-10
US3441877A (en) 1969-04-29
CH446436A (de) 1967-11-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees